'm feeling exhausted, but yeah, i'm super excited. >> we're testing the range and the fuel economy of the vehicle. >> we have to do a hundred miles and get the 67 miles per gallon ratio in order for us to move to the next stage, so keep your fingers crossed. >> it's pretty cool to see them rolling around the track after you've spent hours putting on engines and all of that stuff, to actually see them go around as fast as they're going. >> 2:15. all right, so he's right on that one. (thunderclap) >> it looks like a huge storm is rolling in, and i think even there's a tornado warning somebody said, so... you know, there's... folks are a little bit nervous right now. >> are you a little tense right now? >> yeah, i am. and i also don't like lightning. i mean, did you see this? we have the silver-topped cars, and they're carbon fiber, which is highly conductive. it's not an... it's not an impossibility that the thing gets nailed. i think they should call it off. i mean, there was two lightning strikes just there. >> i was on the track as the storm was rolling in, they called us off. we'